820-01987 error during internet recovery

ajdoc

Member
Board with previous work done.
It is detected in DFU. Had a try a few time to finish DFU because there was some errors during restore.

Now during downloading from internet recovery there is error -2003F

I noticed power button won't turn on machine but charger is connected then I can turn of the board with power button.

Cant find any liquid on the board.
There is some flux around U4770.

Any idea where to start?
 
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